bar88Bar. Definition: A bar (symbol: bar) is a metric unit of pressure that is defined as exactly 100,000 pascals (symbol: Pa). It is equal to 0.987 atmospheres (101,325 Pa), the unit often used as aBAR88 ada di google. 20 likes. . 21 followers. . Follow. . Posts. About · Photos · Mentions. Details. . Page · Business Center.